2 Copyright 2017 MechMerlin <mechmerlin@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include <avr/interrupt.h>
20 #include <util/delay.h>
21 #include "indicator_leds.h"
29 #define NS_PER_SEC (1000000000L)
30 #define CYCLES_PER_SEC (F_CPU)
31 #define NS_PER_CYCLE (NS_PER_SEC / CYCLES_PER_SEC)
32 #define NS_TO_CYCLES(n) ((n) / NS_PER_CYCLE)
34 void send_bit_d4(bool bitVal) {
37 "sbi %[port], %[bit] \n\t"
38 ".rept %[onCycles] \n\t"
41 "cbi %[port], %[bit] \n\t"
42 ".rept %[offCycles] \n\t"
46 [port] "I" (_SFR_IO_ADDR(PORTD)),
48 [onCycles] "I" (NS_TO_CYCLES(T1H) - 2),
49 [offCycles] "I" (NS_TO_CYCLES(T1L) - 2));
52 "sbi %[port], %[bit] \n\t"
53 ".rept %[onCycles] \n\t"
56 "cbi %[port], %[bit] \n\t"
57 ".rept %[offCycles] \n\t"
61 [port] "I" (_SFR_IO_ADDR(PORTD)),
63 [onCycles] "I" (NS_TO_CYCLES(T0H) - 2),
64 [offCycles] "I" (NS_TO_CYCLES(T0L) - 2));
68 void send_bit_d6(bool bitVal)
72 "sbi %[port], %[bit] \n\t"
73 ".rept %[onCycles] \n\t"
76 "cbi %[port], %[bit] \n\t"
77 ".rept %[offCycles] \n\t"
81 [port] "I" (_SFR_IO_ADDR(PORTD)),
83 [onCycles] "I" (NS_TO_CYCLES(T1H) - 2),
84 [offCycles] "I" (NS_TO_CYCLES(T1L) - 2));
87 "sbi %[port], %[bit] \n\t"
88 ".rept %[onCycles] \n\t"
91 "cbi %[port], %[bit] \n\t"
92 ".rept %[offCycles] \n\t"
96 [port] "I" (_SFR_IO_ADDR(PORTD)),
98 [onCycles] "I" (NS_TO_CYCLES(T0H) - 2),
99 [offCycles] "I" (NS_TO_CYCLES(T0L) - 2));
104 _delay_us((RES / 1000UL) + 1);
107 void send_value(uint8_t byte, enum Device device) {
108 for(uint8_t b = 0; b < 8; b++) {
109 if(device == Device_STATUSLED) {
110 send_bit_d4(byte & 0b10000000);
112 if(device == Device_PCBRGB) {
113 send_bit_d6(byte & 0b10000000);
119 void send_color(uint8_t r, uint8_t g, uint8_t b, enum Device device) {
120 send_value(g, device);
121 send_value(r, device);
122 send_value(b, device);
125 // Port from backlight_set_state
126 void indicator_leds_set(bool leds[8]) {
128 send_color(leds[1] ? 255 : 0, leds[2] ? 255 : 0, leds[0] ? 255 : 0, Device_STATUSLED);
129 send_color(leds[4] ? 255 : 0, leds[3] ? 255 : 0, leds[5] ? 255 : 0, Device_STATUSLED);
130 leds[6] ? (PORTD &= ~0b10000000) : (PORTD |= 0b10000000);